Noun
1. brace
2. set, couple
3. twosome, twain, brace, span, yoke, couplet, distich, duo, duet, dyad, duad, two, 2, II, deuce, gathering
4. assemblage, poker hand
Verb
1. pair off
2. partner off, couple, unite, unify, match
3. mate, couple, twin, join, bring together, geminate
4. occur, geminate
5. arrange, set up, copulate
5. mate, couple, join, conjoin